NABTEB

List FOUR common features of a milling machine. – NABTEB QUESTION

FOUR common features of a milling machine (i) The column (ii) The over arm (iii) Arbor and Arbor support (iv)…

4 years ago

Name FIVE different cutters and state their uses. – NABTEB QUESTION

ANSWER CUTTERS USES Slab Cutters To produce plain surfaces Convex Cutters  To produce concave surfaces Concave Cutters To produce convex…

4 years ago

State FIVE safety precautions on milling machine. – NABTEB QUESTION

Five safety precaution on a milling machine (i) Tool should rigidly held in the arbor (ii) The arbor must be…

4 years ago

Differentiate between slotting and shaping machine cutting tools. – NABTEB QUESTION

(i) The slotting tool is supported and moves relative to the work and, cut parallels with its shank. It is…

4 years ago

Outline FOUR functions of a slotting machine. – NABTEB QUESTION

FOUR Functions of a slotting machine (i) Machining of key ways (ii) Machining of splines in holes (iii) Machining of…

4 years ago

Mention the main parts of the off-hand grinding machine. – NABTEB QUESTION

Main parts of off-hand grinding machine Base. Grey Cast Iron body Spindle for holding the abrasive wheel Abrasive Wheel Tool…

4 years ago

State the essential safety precautions that must be taken when using an off hand grinding machine. – NABTEB QUESTION

THREE essential safety precautions that must be taken when using an offhand grinding machine (i) The grinding wheel must be…

4 years ago

Define the following terms: (i) Decarbonization (ii) Overhauling (iii) Dilution (iv) Thermo siphon cooling system – NABTEB QUESTION

(i) DECARBONIZATION:- This is the process of removing the accumulated carbon deposit on the valves on the engine cylinder head.…

4 years ago

State FOUR operational differences between the compression ignition and spark ignition. – NABTEB QUESTION

OPERATIONAL DIFFERENCES BETWEEN COMPRESSION IGNITION AND SPARK IGNITION ENGINE. S/NO COMPRESSION IGNITION   SPARK IGNITION i  Air only is drawn…

4 years ago

State the type of adjustment on each. – NABTEB QUESTION

Adjustments on steering gear boxes. (i) Cam and peg – Backlash (ii) Recirculation ball – Adjusting screw. (iii) Rack and…

4 years ago